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answer 1) 14/9
Step-by-step explanation:
-2/3×1/7+2/3+1/2×1/7
-2/21+2/3+1/14
LCM of 21,3,14 is 42
-4/42+28/42+3/42
-4+31/42
27/42 = 9/14
reciprocal of 9/14 is 14/9
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